diff -r a057dc4457fc -r 87b9e3e2c1a7 marking/knight1_test.scala
--- a/marking/knight1_test.scala	Tue Oct 29 11:11:44 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,19 +0,0 @@
-
-import scala.concurrent._
-import scala.concurrent.duration._
-import ExecutionContext.Implicits.global
-import scala.language.postfixOps 
-
-lazy val f = Future {
-  assert(legal_moves(8, Nil, (2,2)) == 
-             List((3,4), (4,3), (4,1), (3,0), (1,0), (0,1), (0,3), (1,4)))
-  assert(legal_moves(8, Nil, (7,7)) == List((6,5), (5,6)))
-  assert(legal_moves(8, List((4,1), (1,0)), (2,2)) == 
-             List((3,4), (4,3), (3,0), (0,1), (0,3), (1,4)))
-  assert(legal_moves(8, List((6,6)), (7,7)) == List((6,5), (5,6)))
-  assert(legal_moves(1, Nil, (0,0)) == List())
-  assert(legal_moves(2, Nil, (0,0)) == List())
-  assert(legal_moves(3, Nil, (0,0)) == List((1,2), (2,1)))
-}
-
-Await.result(f, 120 second)